Help please. the one about the restaurant.

At which value in the domain does f(x) =0?

If f(x)=-3x+2 and g(x)=-7x-2, which point represents f(x)=g(x)?

Adentist's office and parking lot are on a rectangular piece of land. the area (in square meters) of the land is represented by x2+x? 30. a. write a binomial that represents the width of the land.